Storage, High Availability and Site Resilience in Exchange Server 2013, Part 2

Microsoft Exchange Server 2013 continues to innovate in the areas of storage, high availability, and site resilience. In this three-part blog series, I’ll describe the significant improvements in Exchange 2013 related to these three areas. Part 1 focuses on the storage improvements that we’ve made. Part 2 focuses on high availability. And Part 3 will…

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Storage, High Availability and Site Resilience in Exchange Server 2013, Part 1

Microsoft Exchange Server 2013 continues to innovate in the areas of storage, high availability, and site resilience.  In this three-part blog series, I’ll describe the improvements in Exchange 2013 related to these three areas. Part 1 focuses on the storage improvements that we’ve made.  Part 2 will focus on high availability.  And part 3 will…

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Understanding Internet Database Availability Groups

The high availability and site resilience platform built into Exchange 2010 provides automatic recovery from storage, network and server and other failures that affect active mailbox database copies. In addition, it provides manual recovery from failures affecting an entire site or datacenter. Customers have asked for, and many have tried desperately to create, an Exchange…

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TechEd 2012 Registration Time!

Registration is now open for both TechEd North America 2012 and TechEd Europe 2012!  Celebrate 20 years of Microsoft TechEd North America! TechEd is Microsoft’s premier technology conference for IT professionals and developers, offering the most comprehensive technical education across Microsoft’s current and soon-to-be-released suite of products, solutions, tools, and services. Our four day event…

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Free Microsoft Private Cloud Training

On February 21 & 22 we are running a 2-day virtual training event to help the world learn about the upcoming enhancements with Creating & Managing a Private Cloud with System Center 2012 Jump Start.  It is 100% free so register now! Sign up today at: http://mctreadiness.com/MicrosoftCareerConferenceRegistration.aspx?pid=298 Event Overview Adopting this exciting new computing paradigm…

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TechNet Print-a-Book Beta Available

This week, a feature known as Print/Export a Collection (a.k.a. Print-a-Book) went live in our TechNet Library Lightweight as Beta service.  This new feature offers improved printing features for TechNet articles and the ability to export one or more topics to PDF format. To check out this feature, go to the TechNet Lightweight Library and…

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Circular Logging and Mailbox Database Copies

In the transaction logging mechanism used by Exchange, each database transaction is written first to a log file and then to the database file.  When a log file reaches a certain size (1 MB in Exchange 2010), it's renamed with the next generation sequence number, and a new log file is created. Over time, this…

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Witness Server Warning Message When Using Certain Database Availability Group Tasks

Recently, some customers reported that when they create a DAG, they get a warning message that states the following: The Exchange Trusted Subsystem is not a member of the local Administrators group on specified witness server <ServerName>. In these cases, the customer’s intended witness server was not an Exchange 2010 server.  As documented in TechNet,…

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Exchange 2010 High Availability Misconceptions Addressed

We just published a blog post I wrote about some common Exchange 2010 high availability misconceptions that I heard repeated at Tech.Ed North America.  In it, I discuss and dispel several misconceptions: Misconception Number 1: The Alternate Witness Server (AWS) provides redundancy for the Witness Server (WS) Misconception Number 2: Microsoft recommends that you deploy…

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